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First global database of wealth accumulation covering 1800–2025 now available
septembre 11, 2025 | WID.world

The long-run evolution of wealth has been central to debates in economic history and macroeconomics, but until now evidence has been largely confined to Western ... Continuer la lecture

Thomas Piketty’s view on billionaire taxation and wealth redistribution
septembre 8, 2025 | WID.world

On 9 April 2025, Thomas Piketty was interviewed at the “Taxing Billionaires” conference. On this occasion, he shared his views on billionaire taxation and the ... Continuer la lecture

Public ownership outperforms privatisation when an enterprise is a skill-based, natural, or network monopoly
septembre 1, 2025 | WID.world

Is public ownership or privatisation better? Throughout the 20th century, debates on public versus private ownership swung back and forth, often framed ideologically rather than ... Continuer la lecture

The recent compression of US wage inequality: tightness, turbulence, and power-biased policy
août 18, 2025 | WID.world

Since the onset of the COVID pandemic, the United States has experienced a sharp compression of wage inequality, reversing roughly one-third of the increase observed ... Continuer la lecture

Réinventer la solidarité assurantielle face aux effets inégalitaires du réchauffement climatique
juillet 16, 2025 | WID.world

Face à l’envolée du coût de ces catastrophes, il devient crucial d’identifier les populations les plus exposées. Dans cette note, Thomas Bézy et Lucas Chancel ... Continuer la lecture

Inégalités d’exposition aux risques environnementaux : des écarts marqués selon le statut de propriété
juillet 16, 2025 | WID.world

Alors que les coûts liés au changement climatique devraient augmenter de manière exponentielle, il est crucial d’identifier les segments de la population les plus exposés ... Continuer la lecture

A new composite index to measure and mitigate inequality
juillet 1, 2025 | WID.world

Amongst the most widely used measures of income or wealth inequality is the Gini coefficient. In recent times, there has been a rise in popularity ... Continuer la lecture

New Spain Wealth Atlas: understanding regional wealth inequality in Spain
juillet 1, 2025 | WID.world

Properly evaluating and designing policies that take wealth inequality into account relies on measuring wealth accurately at the regional level. This is particularly important in countries ... Continuer la lecture

Intergenerational Mobility in Spain: Geographic Analysis and Causal Neighborhood Effects
juillet 1, 2025 | WID.world

At the heart of a thriving society lies the principle of equal opportunity: the idea that one’s background should not preordain one’s future. An excellent ... Continuer la lecture